diff --git a/misc/rigol_ds1054z b/misc/rigol_ds1054z
index 2188fed..c69613a 100644
--- a/misc/rigol_ds1054z
+++ b/misc/rigol_ds1054z
@@ -46,7 +46,10 @@ features.
 as another option the analog discovery might do some of the above as well.
 no idea which is better / easier. would have to use both and do a review.
 
+guessing: the rigol would have better performance but larger footprint
+
 with the usb type logic analyzer scopes you have something you can
 stick with a beagleboard on a customers site and do some potentially
 easy but still powerful logging. basically you get the software and the
-dacs of the usb boxes with the linux of the sbc.
+dacs of the usb boxes with the linux of the sbc. so no need to mess with
+the pru or c, can just use the usb scope's software via api